text: // Copyright 2014 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef MEDIA_MOJO_SERVICES_MOJO_CDM_PROMISE_H_
  #define MEDIA_MOJO_SERVICES_MOJO_CDM_PROMISE_H_
  
  #include <stdint.h>
  
  #include "base/callback.h"
  #include "base/macros.h"
  #include "media/base/cdm_promise.h"
  #include "media/mojo/interfaces/content_decryption_module.mojom.h"
  
  namespace media {
  
  // media::CdmPromiseTemplate implementations backed by base::Callbacks.
  template <typename... T>
  class MojoCdmPromise : public CdmPromiseTemplate<T...> {
   public:
    using CallbackType =
        base::Callback<void(mojom::CdmPromiseResultPtr, const T&...)>;
  
    explicit MojoCdmPromise(const CallbackType& callback);
    ~MojoCdmPromise() final;
  
    // CdmPromiseTemplate<> implementation.
    void resolve(const T&... result) final;
    void reject(MediaKeys::Exception exception,
                uint32_t system_code,
                const std::string& error_message) final;
  
   private:
    using CdmPromiseTemplate<T...>::IsPromiseSettled;
    using CdmPromiseTemplate<T...>::MarkPromiseSettled;
    using CdmPromiseTemplate<T...>::RejectPromiseOnDestruction;
  
    CallbackType callback_;
  };
  
  }  // namespace media
  
  #endif  // MEDIA_MOJO_SERVICES_MOJO_CDM_PROMISE_H_
  